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Dewilde S, Phillips G, Paci S, De Ruyck F, Tollenaar NH, Janssen MF. The Burden Patients with Myasthenia Gravis Experience in Terms of Breathing, Fatigue, Sleep, Mental Health, Discomfort and Usual Activities in Comparison to the General Population. Adv Ther 2024; 41:271-291. [PMID: 37921955 PMCID: PMC10796601 DOI: 10.1007/s12325-023-02704-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Accepted: 10/02/2023] [Indexed: 11/05/2023]
Abstract
INTRODUCTION Myasthenia gravis (MG) is a rare neuromuscular disorder marked by a variable combination of weakness of eye, bulbar, respiratory, axial, and limb muscles. This study compared the experience of people with MG regarding breathing, fatigue, sleep, pain/discomfort, mental health, and usual activities with the general population. METHODS The MyRealWorld-MG digital, multinational study enrolled patients with MG and collected demographics, PROMIS-Dyspnea, PROMIS-Sleep Disturbance, FACIT-Fatigue, EQ-5D-5L, Health Utilities Index (HUI-3), Hospital Anxiety and Depression Scale (HADS), MG-Activities of Daily Living (MG-ADL), and MG-Quality-of-Life (MG-QoL-15r). Comparisons with the general population were based on PROMIS population norms, published literature, or on data from a digital, multinational, observational study which enrolled a representative sample of the general population (POPUP). RESULTS In MyRealWorld-MG (N = 2074), patients experienced higher intensity, frequency, and duration of PROMIS shortness of breath than a US population (p < 0.0001). Patients with MG had higher PROMIS-Sleep Disturbance scores than POPUP (53.7 vs 50.0, p < 0.0001), and 54.9% of patients had clinically severe FACIT-Fatigue scores vs 6.8% in POPUP (p < 0.0001). Among patients with MG, 69.6% and 18.5% had moderate-to-severe HADS-Anxiety and HADS-Depression compared to 20.3% and 6.9% in POPUP (p < 0.001). Statistically significant and strong associations were found between fatigue, sleep, dyspnea, usual activities, and emotions. All outcomes worsened with more severe disease. CONCLUSION A considerable burden was observed in this comparison of breathing, sleep, fatigue, mental health, and usual activities between patients with MG and the general population, using data from two international studies and published population norms. Even mildly affected patients had significantly worse outcomes than the general population.
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Affiliation(s)
- S Dewilde
- Services in Health Economics (SHE), Rue JG Eggerickx 36, 1150, Woluwe, Brussels, Belgium.
| | | | - S Paci
- argenx BV, Ghent, Belgium
| | | | - N H Tollenaar
- Services in Health Economics (SHE), Rue JG Eggerickx 36, 1150, Woluwe, Brussels, Belgium
| | - M F Janssen
- Section Medical Psychology and Psychotherapy, Department of Psychiatry, Erasmus MC, Rotterdam, The Netherlands
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Dewilde S, Phillips G, Paci S, De Ruyck F, Tollenaar NH, Janssen MF. People Diagnosed with Myasthenia Gravis have Lower health-related quality of life and Need More Medical and Caregiver Help in Comparison to the General Population: Analysis of Two Observational Studies. Adv Ther 2023; 40:4377-4394. [PMID: 37490259 PMCID: PMC10499690 DOI: 10.1007/s12325-023-02604-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Accepted: 06/28/2023] [Indexed: 07/26/2023]
Abstract
INTRODUCTION Myasthenia gravis (MG) is a neuromuscular disease causing extreme muscular fatigue, triggering problems with vision, swallowing, speech, mobility, dexterity, and breathing. This analysis intended to estimate the health-related quality-of-life impact, the medical burden, and the need for caregiver help of people diagnosed with MG. METHODS MyRealWorld-MG (MRW) is an observational study among adults diagnosed with MG in 9 countries. The General Population Norms (POPUP) observational study enrolled representative members of the general population in 8 countries. In both digital studies, respondents entered personal characteristics and provided data on medical conditions, EQ-5D-5L, HUI3, MG-Activities of Daily Living (MG-ADL), sick leave, caregiver help, and medical care utilization. RESULTS In MRW (n = 1859), 58.4% of respondents had moderate-to-severe MG. Average utility values were lower in MRW versus POPUP (0.739 vs. 0.843 for EQ-5D-5L; 0.493 vs. 0.746 for HUI3), and declined with more severe disease (0.872, 0.707, 0.511 EQ-5D-5L utilities and 0.695, 0.443, 0.168 HUI3 utilities for mild, moderate, and severe MG, respectively). Taking sick leave in the past month was 2.6 times more frequent among people diagnosed with MG compared to the general population (34.4% vs. 13.2%) and four times more people diagnosed with MG reported needing help from a caregiver (34.8% vs. 8.3%). Use of medical care was twice as likely in MRW in comparison with POPUP (51.9% vs. 24.6%). CONCLUSION This direct comparison of people diagnosed with MG and the general population using two large international studies revealed significant negative impact of MG. Results were consistent across all outcomes, in all countries.
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Affiliation(s)
- S Dewilde
- Services in Health Economics (SHE), Rue JG Eggerickx 36, 1150, Brussels, Belgium.
| | | | - S Paci
- Argenx BV, Ghent, Belgium
| | | | - N H Tollenaar
- Services in Health Economics (SHE), Rue JG Eggerickx 36, 1150, Brussels, Belgium
| | - M F Janssen
- Section Medical Psychology and Psychotherapy, Department of Psychiatry, Erasmus MC, Rotterdam, The Netherlands
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Cossu V, Galleni F, Eboli M, Nevo AD, Forgione N, Paci S. Lithium-Lead/water interaction: LIFUS5/Mod3 series E tests analysed by SIMMER-III coupled with RELAP5. Fusion Engineering and Design 2023. [DOI: 10.1016/j.fusengdes.2023.113537] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
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Burlina A, Bettocchi I, Biasucci G, Bordugo A, Gasperini S, La Spina L, Maines E, Meli C, Menni F, Paci S, Procopio E, Rossi A, Rubert L, Spada M, Tubili F, Tummolo A. Long-term use of carglumic acid in methylmalonic aciduria, propionic aciduria and isovaleric aciduria in Italy: a qualitative survey. Eur Rev Med Pharmacol Sci 2022; 26:5136-5143. [PMID: 35916811 DOI: 10.26355/eurrev_202207_29302] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
OBJECTIVE Organic acidurias (OAs) are a group of rare metabolic disorders that disrupt the regular amino acid metabolism. OAs are characterized by recurrent episodes of acidemia, ketonuria and hyperammonemia which can result in brain/liver damage and renal failure, and despite the life-long protein-restricted diet, impaired growth and long-term complications can occur. Consequently, a long-term management of OAs patients is required, aimed principally at reducing the frequency and duration of metabolic decompensation/hyperammonemia episodes. Nevertheless, unlike the acute phase, evidence on the chronic management of OAs patients is less consolidated. SUBJECTS AND METHODS To expand the knowledge on this field, 13 Italian referral centers for the management of OAs were involved in a survey focused on the long-term use of carglumic acid (Carbaglu®, Recordati Rare Diseases). RESULTS Participating centers reported a reduction between 69% and 81% in the annual number of metabolic decompensations with the chronic use of carglumic acid and an improvement in protein intake. Most centers reported no difficulty using carglumic acid as a long-term therapy, along with a great compliance. CONCLUSIONS Taken together, obtained data align with the available literature and support a positive clinical experience with the long-term carglumic acid administration. Additional studies aimed at better defining a proper dosage for the chronic administration of carglumic acid and the clinical and biochemical characteristics of patients treated chronically are needed. In addition, the potential impact of this treatment regimen on the neurological development and growth of patients should be elucidated.
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Affiliation(s)
- A Burlina
- Division of Inherited Metabolic Diseases, Department of Diagnostic Services, University Hospital, Padua, Italy.
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Moscardini M, Galleni F, Pucciarelli A, Eboli M, Del Nevo A, Paci S, Forgione N. Thermo-hydraulic analysis of PbLi ancillary system of WCLL TBM undergoing in-box LOCA. Fusion Engineering and Design 2021. [DOI: 10.1016/j.fusengdes.2021.112614] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Allegrini D, Penco S, Pece A, Autelitano A, Montesano G, Paci S, Montanari C, Maver A, Peterlin B, Damante G, Rossetti L. Cataract and optic disk drusen in a patient with glycogenosis and di George syndrome: clinical and molecular report. BMC Ophthalmol 2017; 17:107. [PMID: 28659124 PMCID: PMC5490087 DOI: 10.1186/s12886-017-0499-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2016] [Accepted: 06/20/2017] [Indexed: 11/29/2022] Open
Abstract
Background We report the ophthalmic findings of a patient with type Ia glycogen storage disease (GSD Ia), DiGeorge syndrome (DGS), cataract and optic nerve head drusen (ONHD). Case presentation A 26-year-old white woman, born at term by natural delivery presented with a post-natal diagnosis of GSD Ia. Genetic testing by array-comparative genomic hybridization (CGH) for DGS was required because of her low levels of serum calcium. The patient has been followed from birth, attending the day-hospital every six months at the San Paolo Hospital, Milan, outpatient clinic for metabolic diseases and previously at another eye center. During the last day-hospital visit, a complete eye examination showed ONHD and cataract in both eyes. Next Generation Sequencing (NGS) was subsequently done to check for any association between the eye problems and metabolic aspects. Conclusions This is the first description of ocular changes in a patient with GSD Ia and DGS. Mutations explaining GSD Ia and DGS were found but no specific causative mutation for cataract and ONHD. The metabolic etiology of her lens changes is known, whereas the pathogenesis of ONHD is not clear. Although the presence of cataract and ONHD could be a coincidence; the case reported could suggest that hypocalcemia due to DGS could be the common biochemical pathway.
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Affiliation(s)
- D Allegrini
- Eye Unit, Humanitas Gavazzeni Hospital, Humanitas University, Bergamo, Italy.
| | - S Penco
- Medical Genetics Unit, Niguarda Ca' Granda Hospital, Milan, Italy
| | - A Pece
- Eye Unit, Melegnano Hospital, Vizzolo Predabissi, Milan, Italy
| | - A Autelitano
- Eye Unit, San Paolo Hospital, University of Milan, Milan, Italy
| | - G Montesano
- Eye Unit, San Paolo Hospital, University of Milan, Milan, Italy
| | - S Paci
- Pediatric Department, San Paolo Hospital, University of Milan, Milan, Italy
| | - C Montanari
- Pediatric Department, San Paolo Hospital, University of Milan, Milan, Italy
| | - A Maver
- Clinical Institute for Medical Genetics, University Medical Center Ljubljana, Ljubljana, Slovenia
| | - B Peterlin
- Clinical Institute for Medical Genetics, University Medical Center Ljubljana, Ljubljana, Slovenia
| | - G Damante
- Medical Genetics Unit, University of Udine, Udine, Italy
| | - L Rossetti
- Eye Unit, San Paolo Hospital, University of Milan, Milan, Italy
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Audinos R, Paci S, Beringuier H. Modélisation des flux volumiques dans un électrodialyseur en fonction de forces généralisées mesurables, selon les conditions électro-hydrodynamiques : application aux solutions de sulfate zinc. ACTA ACUST UNITED AC 2017. [DOI: 10.1051/jcp/1990870127] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Mueller K, Dickinson S, Pascale CD, Girault N, Herranz L, De Rosa F, Henneges G, Langhans J, Housiadas C, Wichers V, Dehbi A, Paci S, Martin-Fuertes F, Turcu I, Ivanov I, Toth B, Horvath G. Validation of Severe Accident Codes on the Phebus Fission Product Tests in the Framework of the PHEBEN-2 Project. NUCL TECHNOL 2017. [DOI: 10.13182/nt08-a3982] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- K. Mueller
- Joint Research Centre, Institute for Energy, Petten, The Netherlands
| | | | - C. de Pascale
- Commissariat à l’Energie Atomique/DTP, Cadarache, France
| | - N. Girault
- Institut de Radioprotection et de Sûreté Nucléaire, Cadarache, France
| | - L. Herranz
- Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas Madrid, Spain
| | - F. De Rosa
- Ente per le Nuove Tecnologie, l’Energia e l’Ambiente, Bologna, Italy
| | - G. Henneges
- Forschungszentrum Karlsruhe GmbH, Karlsruhe, Germany
| | - J. Langhans
- Gesellschaft für Reaktorsicherheit, Cologne, Germany
| | - C. Housiadas
- National Centre for Scientific Research “Demokritos,” Athens, Greece
| | - V. Wichers
- Nuclear Research and Consultancy Group, Petten, The Netherlands
| | - A. Dehbi
- Paul Scherrer Institut, Villingen, Switzerland
| | - S. Paci
- Departimento di Ingegneria Meccanica, Nucleare e della Produzione, Università di Pisa, Italy
| | | | - I. Turcu
- Institute for Nuclear Research, Pitesti, Romania
| | - I. Ivanov
- Technical University of Sofia, Bulgaria
| | - B. Toth
- Joint Research Centre, Institute for Energy, Petten, The Netherlands
| | - G. Horvath
- Villamosenergiapari Kutató Intézet Rt., Budapest, Hungary
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Di Giuli M, Haste T, Biehler R, Bosland L, Herranz L, Fontanet J, Beuzet E, Torkhani M, Davidovich N, Klein-Heßling W, Weber S, Dickinson S, Horváth G, Kruse P, Koch M, Paci S, Weber S, Salay M, Bujan A, Ivanov I, Kalychev P, Kim S, Morandi S, Del Corno A, Kotouč M, Dienstbier J, Kim HC. SARNET benchmark on Phébus FPT3 integral experiment on core degradation and fission product behaviour. ANN NUCL ENERGY 2016. [DOI: 10.1016/j.anucene.2016.01.046] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Abstract
Hyperphenylalaninaemia (HPA) is an inherited disorder that results in raised plasma phenylalanine levels with a range of severities, including phenylketonuria (PKU). Since the first attempts at treatment using a low-phenylalanine diet and after more than 50 years of research, considerable progress has been made so we are now at a stage where mental retardation caused by high plasma phenylalanine can be prevented. We must, however, be aware of the new challenges we face in managing PKU. These include: maintaining optimal growth by providing enough phenylalanine without jeopardizing the child's psychomotor development; providing an optimal nutritional status that ensures other essential nutrients, such as long chain polyunsaturated fatty acids, are not excluded from the diet; ensuring optimal compliance to the dietary intervention; and considering patients' quality of life. New strategies, such as tetrahydrobiopterin (BH4) supplementation, need to be evaluated with regard to safety, efficacy and expected outcomes in specific types of HPA.
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Affiliation(s)
- M Giovannini
- Department of Paediatrics, San Paolo Hospital, University of Milan, Milan, Italy
| | - E Riva
- Department of Paediatrics, San Paolo Hospital, University of Milan, Milan, Italy
| | - E Salvatici
- Department of Paediatrics, San Paolo Hospital, University of Milan, Milan, Italy
| | - L Fiori
- Department of Paediatrics, San Paolo Hospital, University of Milan, Milan, Italy
| | - S Paci
- Department of Paediatrics, San Paolo Hospital, University of Milan, Milan, Italy
| | - E Verduci
- Department of Paediatrics, San Paolo Hospital, University of Milan, Milan, Italy
| | - C Agostoni
- Department of Paediatrics, San Paolo Hospital, University of Milan, Milan, Italy
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Van Dorsselaere JP, Auvinen A, Beraha D, Chatelard P, Herranz L, Journeau C, Klein-Hessling W, Kljenak I, Miassoedov A, Paci S, Zeyen R. Recent severe accident research synthesis of the major outcomes from the SARNET network. Nuclear Engineering and Design 2015. [DOI: 10.1016/j.nucengdes.2015.03.022] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Ambrosini W, Forgione N, Merli F, Oriolo F, Paci S, Kljenak I, Kostka P, Vyskocil L, Travis J, Lehmkuhl J, Kelm S, Chin YS, Bucci M. Lesson learned from the SARNET wall condensation benchmarks. ANN NUCL ENERGY 2014. [DOI: 10.1016/j.anucene.2014.07.014] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Weber G, Herranz L, Bendiab M, Fontanet J, Funke F, Gonfiotti B, Ivanov I, Krajewski S, Manfredini A, Paci S, Pelzer M, Sevón T. Thermal-hydraulic–iodine chemistry coupling: Insights gained from the SARNET benchmark on the THAI experiments Iod-11 and Iod-12. Nuclear Engineering and Design 2013. [DOI: 10.1016/j.nucengdes.2013.07.012] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Malet J, Blumenfeld L, Arndt S, Babic M, Bentaib A, Dabbene F, Kostka P, Mimouni S, Movahed M, Paci S, Parduba Z, Travis J, Urbonavicius E. Sprays in containment: Final results of the SARNET spray benchmark. Nuclear Engineering and Design 2011. [DOI: 10.1016/j.nucengdes.2011.03.016] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Carbone MT, Correra A, Paci S. [News in the diet therapy of fenilketonuria]. Minerva Pediatr 2009; 61:637-639. [PMID: 19935516] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
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Paci S, Porfiri M. Experimental and numerical analysis of the air inflow technique for dust removal from the vacuum vessel of a tokamak machine. Fusion Engineering and Design 2008. [DOI: 10.1016/j.fusengdes.2007.11.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Jones A, Dickinson S, de Pascale C, Hanniet N, Herranz L, De Rosa F, Henneges G, Langhans J, Housiadas C, Wichers V, Birchley J, Paci S, Martin-Fuertes F. Validation of severe accident codes against Phebus FP for plant applications: status of the PHEBEN2 project. Nuclear Engineering and Design 2003. [DOI: 10.1016/s0029-5493(02)00340-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Lippi MM, Giachi G, Paci S, Di Tommaso PL. Studi sulla vegetazione attuale e passata della Toscana meridionale (Follonica—Italia) e considerazioni sull'impatto ambientale dell'attività metallurgica etnisca nel VI—V secolo a.C. ACTA ACUST UNITED AC 2000. [DOI: 10.1080/00837792.2000.10670696] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Cambi G, Cavallone G, Costa M, Corticelli MA, Cepranga DG, Ciattaglia S, Passalacqua R, Paci S. Environmental Source terms during a few Reference Accident Sequences (RAS) of NET/ITER plant. J Fusion Energ 1993. [DOI: 10.1007/bf01059369] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Paci S, Ferraguto P, Centaro A, Tocco G. [Cardiopathies, pregnancy and labor in our hospital practice. Clinical cases from 1969 to 1987]. Minerva Ginecol 1989; 41:515-24. [PMID: 2608198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
The behaviour of cardiopathies and the prognosis for labour was studied in 44 pregnant women with heart disease admitted to Muscatello Hospital Augusta in 1969-87. Improved cardiological and obstetric treatment together with the interdisciplinary approach adopted since 1971 eliminated maternal deaths and drastically reduced complications in pregnancies. Caesarian section was adopted in all but class I cases and was well tolerated. Puerperium passed without incident and the patients were up by the second or third day, released on day 8. There was also a distinct improvement in foetal prognosis with fewer small for date births and only one death due to foetal immaturity.
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Paci S, Russo G, Mure G, Parisi R, de Filippo V, Correnti R, Eliamo A, Comis B, Latagliata C, Ventimiglia E. [Usefulness and limitations of hormonal monitoring of pregnancy with HPL and estriol in improving fetal prognosis and preventing neonatal neurologic deficiency]. Minerva Ginecol 1989; 41:265-75. [PMID: 2475824] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
This multidisciplinary research has been subdivided into two parts. The first examines prognosis of the foetus and its weight development in relation to changes in the hormonal curves of HPL and E3 carried out in a batch of 339 3rd term pregnancies. A very high incidence of small-for-date newborns (30-64%) was noted in mothers with low hormonal values and generally a more frequent onset of hypoxia in pregnancy and in labour. The second part assesses the neurological profile of children born to the same mothers examined in the first part up to the 4th year of life. A neurological deficiency of a different extent was evidenced in 33.3% of the children born to mothers with low hormonal values in pregnancy, especially among those born underweight. The neurological deficiency in the control sample was 7.84%.
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Corda MG, Longoni B, Cau A, Paci S, Salvadori S, Laudani U, Biggio G. Distribution and pharmacological properties of the GABAA/benzodiazepine/chloride ionophore receptor complex in the brain of the fish Anguilla anguilla. J Neurochem 1989; 52:1025-34. [PMID: 2538558 DOI: 10.1111/j.1471-4159.1989.tb01843.x] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
In the present study, we characterized the distribution and the pharmacological properties of the different components of the GABAA receptor complex in the brain of the eel (Anguilla anguilla). Benzodiazepine recognition sites labeled "in vitro" with [3H]flunitrazepam ([3H]FNT) were present in highest concentration in the optic lobe and in lowest concentration in the medulla oblongata and spinal cord. A similar distribution was observed in the density of gamma-[3H]aminobutyric acid ([3H]GABA) binding sites. GABA increased the binding of [3H]FNT in a concentration-dependent manner, with a maximal enhancement of 45% above the control value, and, vice versa, diazepam stimulated the binding of [3H]GABA to eel brain membrane preparations. The density of benzodiazepine and GABA recognition sites and their reciprocal regulation were similar to those observed in the rat brain. In contrast, the binding of the specific ligand for the Cl- ionophore, t-[35S]butylbicyclophosphorothionate ([35S]TBPS), to eel brain membranes was lower than that found in the rat brain. In addition, [35S]TBPS binding in eel brain was less sensitive to the inhibitory effects of GABA and muscimol and much more sensitive to the stimulatory effect of bicuculline, when compared with [35S]TBPS binding in the rat brain. Moreover, the uptake of 36Cl- into eel brain membrane vesicles was only marginally stimulated by concentrations of GABA or muscimol that significantly enhanced the 36Cl- uptake into rat brain membrane vesicles. Finally, intravenous administration of the beta-carboline inverse agonist 6,7-dimethoxy-4-ethyl-beta-carboline-3-carboxylic acid methyl ester (20 mg/kg) and of the chloride channel blocker pentylenetetrazole (80 mg/kg) produced convulsions in eels that were antagonized by diazepam at doses five to 20 times higher than those required to produce similar effects in rats. The results may indicate a different functional activity of the GABA-coupled chloride ionophore in the fish brain as compared with the mammalian brain.
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Affiliation(s)
- M G Corda
- Department of Experimental Biology, University of Cagliari, Italy
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Paci S, Buda D, Gulino S, De Filippo V, Lamari A, Assenza G. [Gynecologic acute abdomen. Review of 43 cases]. Minerva Ginecol 1988; 40:535-9. [PMID: 3222008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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Paci S. [Minimal requirements for a zonal maternity department]. Ann Ostet Ginecol Med Perinat 1972; 93:766-8. [PMID: 4669566] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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